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- So the dark mica in this granite should be called biotite. 那么,在这块花岗岩中的黑色云母类矿物就应当叫做黑云母了。
- Jaspilite and altered phyllite are the main ore types. 主要矿石类型有含铁碧玉岩型和蚀变千枚岩型。
- The REE of breccia biotite schist represents feature of oceanic tholeiite. 角砾状黑云母片岩的REE具有洋脊拉斑玄武岩特征；
- The biotite adamellite is the main metallogenetic rock body in the orefield. 晋宁晚期的岩浆活动强烈,黑云二长花岗岩是矿区主要成矿岩体。
- The types of mineralized rocks are fine grained biotite gneiss and silicalites. 矿化类型为含金黑云变粒岩型、含金硅质岩型。
- Biotite is a subordinate constituent of the mafic and ultramafic rocks generally. 黑云母一般是镁铁质及超镁铁质岩石中的次要成分。
- Early Yanshanian intrusions are mainly adamellite,biotite K-feldspar granite with small amount of granodiorite. 燕山早期侵入岩以二长花岗岩、黑云钾长花岗岩为主,其次为花岗闪长岩。
- The Penshan granitic body is a calc-alkaline pluton composed of muscovite alkali granite, two-mica alkali feldspar granite and biotite adamellite. 彭山岩体是由白云母碱长花岗岩、云母碱长花岗岩和黑云母二长花岗岩组成的钙碱性花岗复式岩体。
- The top is composed of banded biotite adamellite bearing more enclaves of Taishan group rocks. 亿年前后形成的条带状黑云母二长花岗岩,含有较多的泰山岩群包体,小揉皱构造发育。
- The wall is, also here, commonly talcose, and the beds of phyllite are cut and dragged by the movements. 墙壁,这里也是,一般是滑石化的,千枚岩层被运动所切割、拖曳。
- The association of albite-bearing silicolites, phyllite and limestone seems to be an important prospecting indicator. 含钠长石硅质岩、千枚岩、灰岩组合是找矿评价的重要标志。
- Both the core and the mantle have inclusions of biotite, hornblende, quartz and plagioclase. 内核和外壳中均发育石英、斜长石、黑云母、角闪石等矿物的包裹体 ;
- The Shangzhuang apatite deposit is a low-grade apatite deposit associated with Fe,vermiculitizated biotite and REE. 上庄磷矿为一大型低品位磷灰石矿床,伴生有益组分有铁、蛭石化黑云母及稀土元素。
- Ore-forming materials of galena are from country rocks,that is biotite schist and garnet biotite schist. 形成方铅矿的成矿物质主要来源于围岩,即荆山群黑云母片岩和石榴石黑云母片岩等。
- Yinshan lead-zinc deposit lies in the Presinian strata.Theore-bodies occur in phyllite,are controlled by fault. 银山铅锌矿床产于前震旦系地层中，容矿围岩主要为千枚岩，矿体呈脉状受构造裂隙控制。
- Yinshan lead zinc deposit lies in the Presinian strata.The ore bodies occur in phyllite,are controlled by fault. 银山铅锌矿床产于前震旦系地层中,容矿围岩主要为千枚岩,矿体呈脉状受构造裂隙控制。
- Veiws evidently intercalate into the biotite granulite of the Boluotai Formation of the Zhuzhangzi Group. 花岗斑岩主要由钾长石、石英、更长石及黑云母组成。
- This landslide is mainly composed of Sinian limestone and Cambrian carbon slate and phyllite. 该滑坡体主要由震旦系灰岩和寒武系炭质板岩、千枚岩构成。
- The banded gneisses underlying the mine field are, as a rule, micaceous, the amount of biotite determining mainly the shades of the bands. 本矿区的带状片麻岩照例富含云母，黑云母的多少决定片麻岩条带的色调。
- The Penshan granitic body is a calc-alkaline pluton composed of muscovite alkali granite,two-mica alkali feldspar granite and biotite adamellite. 彭山岩体是由白云母碱长花岗岩、二云母碱长花岗岩和黑云母二长花岗岩组成的钙碱性花岗复式岩体。
